Home / 797,971.84-1,100,205.12-511,020.16

Finding the Fourth Proportional to 797,971.84, 1,100,205.12 and 511,020.16

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Solution

The fourth proportional to 797,971.84, 1,100,205.12 and 511,020.16 is: 704,569.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,971.84 : 1,100,205.12 = 511,020.16 : x
  2. Step 2: Convert to fraction form
    797,971.84/1,100,205.12 = 511,020.16/x
  3. Step 3: Cross multiply
    797,971.84x = 1,100,205.12 × 511,020.16
  4. Step 4: Simplify right side
    797,971.84x = 562,226,996,455.22
  5. Step 5: Solve for x
    x = 562,226,996,455.22/797,971.84
  6. Step 6: Final answer
    x = 704,569.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.